Vibrator



FIG. 1 is a front view of a vibrator showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a perspective right side and top view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a perspective right side and bottom view thereof. 

I claim the ornamental design for a vibrator, as shown and described. 